A disagreement between researchers and an ingredient supplier about the import of recent carotenoid research raised again the sticky question of when processing steps might convert a natural ingredient into an artificial one.

A lack of identity testing is a frequent failure cited in warning letters issued by the Food and Drug Administration. But even when tests are being done, they need to be done in the right way and with properly calibrated equipment.

Oral ingestion of Aquamin—a form of calcium derived from calcified red marine algae—may lead to less deterioration of the trabecular bone structure, according to a team of researchers from various institutions in Ireland.